The formula of Aldehyde is represented by <span>C2H4O. It has two atoms of Carbon, four atoms of hydrogen and one atom of oxygen. Aldehyde is an organic compound. It's organic because it contains carbon. It has a structure of R-CHO, that consists a carbonyl center bonded to R group and to hydrogen.</span>
Group 2 elements are the alkaline earth metals
5-chloro-2-pentyne. The chain must be numbered starting with the end nearest the triple bond.
